1 files changed, 79 insertions, 0 deletions
diff --git a/usr.bin/cc/t_pthread_abuse.sh b/usr.bin/cc/t_pthread_abuse.sh
new file mode 100644
index 000000000000..caf88e60557f
--- /dev/null
+++ b/usr.bin/cc/t_pthread_abuse.sh
@@ -0,0 +1,79 @@
+#	$NetBSD: t_pthread_abuse.sh,v 1.1 2025/10/06 13:11:56 riastradh Exp $
+#
+# Copyright (c) 2025 The NetBSD Foundation, Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+
+pthread_abuse_head()
+{
+
+	atf_set "descr" \
+	    "Test that pthread_create calls without -lpthread fail to link"
+	atf_set "require.progs" "cc"
+}
+pthread_abuse_body()
+{
+
+	cat >test.c <<'EOF'
+#include <err.h>
+#include <pthread.h>
+#include <stdlib.h>
+
+static void *
+start(void *cookie)
+{
+	return cookie;
+}
+
+int
+main(void)
+{
+	int cookie = 123;
+	pthread_t t;
+	void *result;
+	int error;
+
+	error = pthread_create(&t, NULL, &start, &cookie);
+	if (error)
+		errc(EXIT_FAILURE, error, "pthread_create");
+	error = pthread_join(t, &result);
+	if (error)
+		errc(EXIT_FAILURE, error, "pthread_join");
+	return (result == &cookie ? 0 : EXIT_FAILURE);
+}
+EOF
+	atf_check -s not-exit:0 \
+	    -e match:'undefined reference to.*pthread_create' \
+	    cc -o test test.c
+	atf_check cc -o test test.c -lpthread
+	atf_check ./test
+	atf_check cc -o test test.c -pthread
+	atf_check ./test
+}
+
+atf_init_test_cases()
+{
+
+	atf_add_test_case pthread_abuse
+}